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JIS SK70

SK70


SK70 material is Carbon tool steel.

Chemical composition of SK70, SK70 mechanical properties, SK70 datasheet, SK70 equivalent grade, Heat treatment and temperature process of SK70.


SK70 property sheet

SK70 Spec.

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Chemical Composition of SK70

C 0.65-0.75
Si 0.15-0.35
Mn 0.15-0.50
P Max 0.030
S Max 0.030

Mechanical Properties of SK70

Rp0.2 (MPa) 334 (≥)
Rm (MPa) 673 (≥)
AKV (J) 23
A (%) 11
Z (%) 24
Hardness HBW 144

SK70 shape and dimensions

SK70 Round bar: 1mm-800mm
SK70 Square bar: 10mm * 10mm-600mm *600mm
SK70 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SK70 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SK70 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SK70 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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